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Anni [7]
3 years ago
11

Combustion is an exothermic reaction where the reactants are combined with ____

Chemistry
1 answer:
Anna [14]3 years ago
7 0

Answer:

sorry to waste ur time but im getting points bc i have a question and i need more points to say ig

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4/5(2x 5)−4=1
uysha [10]
 5/8=0.625 4/5=.8


5/8 because 5/8=0.625 and because its 2x you multiply 0.625 by 2=1.25 then you do 1.25+5=6.25 4/5=.8    6.25 times .8=5 5-4=1   


X=5/8 or 0.625

5 0
4 years ago
8. If you have 100 ml of 10X Buffer A, how could you prepare 450 ml of 1 X buffer A?
lakkis [162]

We have that you can you prepare 450 ml of 1 X buffer A by adding 45ml of 10X buffer A with 405ml(450-45) of water

From the question we are told

If you have 100 ml of 10X Buffer A, how could you prepare 450 ml of 1 X buffer A

Generally the equation for the  Concentration  Volume relationship is mathematically given as

C1V1=C2V2\\\\Where\\\\C1=10X\\\\C2=1X buffer A\\\\V2=450ml \\\\Therefore\\\\V1=\frac{450*1}{10}\\\\V1=45ml

Therefore

You can you prepare 450 ml of 1 X buffer A by adding 45ml of 10X buffer A with 405ml(450-45) of water

For more information on this visit

brainly.com/question/17756498

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2 years ago
Using the first volume and temperature reading on the table as V1 and T1, solve for the unknown values in the table below. Remem
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Explanation:

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